Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

I have one of the three numbers: 1, 2, or 3 in my mind. I speak only truth. You can ask me just one question for which I will only reply in yes or no or don't know. What question will you ask from me so that you are able to know the number?

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

Count the number of squares in the picture below.

I am the first thing you need while camping.
I am always with the person named Marcos Valencia and Carrick.
But Pogba Zlatan and Rooney think I am wasteful and do not need me.
I am the second to the last thing to add when you are making a patch.

What am I?

what does this below rebus represent identXQQQQQME

Using eight eights and addition only, can you make 1000?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

In a certain bank, a man deposits a certain amount. According to the bank policies, the amount will be doubled up in a year but as the service charge, they will also deduct Rs. 65 by the end of every year.

If after the 6th year, the amount becomes 0, what do you think is the original amount he deposited in the bank?